S
M
T
W
T
F
S
26
81°
60°
27
81°
54°
28
75°
55°
29
75°
59°
30
76°
57°
31
76°
58°
1
79°
56°
2
77°
52°
3
76°
53°
4
75°
51°
5
76°
52°
6
78°
55°
7
80°
53°
8
76°
52°
9
79°
55°
10
81°
55°
11
82°
58°
12
82°
60°
13
81°
60°
14
81°
59°
15
80°
53°
16
81°
51°
17
73°
51°
18
73°
53°
19
71°
53°
20
73°
51°
21
71°
52°
22
75°
57°
23
74°
58°
24
80°
57°
25
81°
53°
26
80°
49°
27
72°
47°
28
70°
47°
29
71°
50°
30
73°
57°
31
77°
57°
1
77°
55°
2
78°
49°
3
74°
54°
4
77°
54°
5
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Preston
Preston's August 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 47° and 60°. The average high for August is 77° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Preston. See also: September | October | November.
